Can anyone help me ?

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent